Read Edit View history 追加剂 zhuījiājì booster shot Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 追加剂/追加劑 · zhuījiājì · booster shot 2026/03/04 追加剂 / 追加劑 zhuījiājì booster shot A supplementary dose of a vaccine administered to increase or renew the effect of a prior dose. 醫生建議高風險族群應儘早接種新冠疫苗追加劑。 noun created sense Mar 4, 2026, 02:25 AM